D&D Fat Cat 2-1 Exhaust System
Fitment: 1984-2017 Harley-Davidson Heritage Softail
2:1 Fat Cat is a stepped header system at the head is 1 5/8" to 1 3/4" to 1 7/8" at collector and 2 1/2" where the muffler goes to the header
Fat Cat Has a longer muffler to reach the end of the bags
All D&D full systems are equipped with heat shields,exhaust gaskets, bolt kit and baffles
Each exhaust system is designed and dyno tested in D&D's facilities
D&D's testing is done with the Harley Tuner's
Every pipe is designed to increase low-end torque and horsepower
Performance increases are about 8 to 10 percent with the proper tune on the bike
Note: Blueing and discoloration are caused by excessive heat / improper tuning and will not be covered under D&D's warranty.
Notice: D&D Performance exhaust systems are designed for closed course racing applications only. Not for use on pollution controlled vehicles.